Trailer hitch retention fitting



FIG. 1 is a front, top and left side perspective view of a trailer hitch retention fitting showing my new design.

FIG. 2 is a left side elevational view thereof.

FIG. 3 is a right-side elevational view thereof.

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a perspective view of the trailer hitch retention fitting with related environment.

The broken lines form no part of the claim and are shown only as relatable environment. 

CLAIM The ornamental design for a trailer hitch retention fitting, as shown and described. 